<template>
  <div>
   a:{{ a }}  b:{{ b }}
  </div>
</template>

<script setup lang="ts">

// defineProps(['a','b'])
defineProps<{a:number,b:string}>()
// defineProps({a:String,b:Number})
// console.log(a);

</script>
<style lang="scss" scoped>
</style>
